501242004334544 has 20 divisors (see below), whose sum is σ = 1059443327343840. Its totient is φ = 227837274697440.

The previous prime is 501242004334537. The next prime is 501242004334601. The reversal of 501242004334544 is 445433400242105.

It is a super-2 number, since 2×501242004334544² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423982966684 + ... + 1423982967035.

It is an arithmetic number, because the mean of its divisors is an integer number (52972166367192).

Almost surely, 2^{501242004334544} is an apocalyptic number.

It is an amenable number.

501242004334544 is an abundant number, since it is smaller than the sum of its proper divisors (558201323009296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501242004334544 is a wasteful number, since it uses less digits than its factorization.

501242004334544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847965933738 (or 2847965933732 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 501242004334544 its reverse (445433400242105), we get a palindrome (946675404576649).

The spelling of 501242004334544 in words is "five hundred one trillion, two hundred forty-two billion, four million, three hundred thirty-four thousand, five hundred forty-four".